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Finding the Third Proportional to 82,671,098 and 129,029,943

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Solution

The third proportional to 82,671,098 and 129,029,943 is: 201,385,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,671,098 : 129,029,943 = 129,029,943 : x
  2. Step 2: Convert to fraction form
    82,671,098/129,029,943 = 129,029,943/x
  3. Step 3: Cross multiply
    82,671,098x = 129,029,943 × 129,029,943
  4. Step 4: Simplify right side
    82,671,098x = 16,648,726,190,583,248
  5. Step 5: Solve for x
    x = 16,648,726,190,583,248/82,671,098
  6. Step 6: Final answer
    x = 201,385,086.12

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.